Base | Representation |
---|---|
bin | 11001101000001… |
… | …01110101011000 |
3 | 112222112012211102 |
4 | 30310011311120 |
5 | 420013410401 |
6 | 33155450532 |
7 | 5220213416 |
oct | 1464056530 |
9 | 488465742 |
10 | 214981976 |
11 | 100396160 |
12 | 5bbb6a48 |
13 | 35701691 |
14 | 207a22b6 |
15 | 13d1856b |
hex | cd05d58 |
214981976 has 16 divisors (see below), whose sum is σ = 439736040. Its totient is φ = 97719040.
The previous prime is 214981967. The next prime is 214981981. The reversal of 214981976 is 679189412.
It is a self number, because there is not a number n which added to its sum of digits gives 214981976.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221401 + ... + 1221576.
Almost surely, 2214981976 is an apocalyptic number.
It is an amenable number.
214981976 is an abundant number, since it is smaller than the sum of its proper divisors (224754064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214981976 is a wasteful number, since it uses less digits than its factorization.
214981976 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2442994 (or 2442990 counting only the distinct ones).
The product of its digits is 217728, while the sum is 47.
The square root of 214981976 is about 14662.2636724348. The cubic root of 214981976 is about 599.0559004243.
The spelling of 214981976 in words is "two hundred fourteen million, nine hundred eighty-one thousand, nine hundred seventy-six".
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